Airfoil shape and sidewall flowpath surfaces for a turbine...

Details Airfoil shape and sidewall flowpath surfaces for a turbine... Airfoil shape and sidewall flowpath surfaces for a turbine...

2006-02-21

2006-02-21

Verdier, Christopher (Department: 3745)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural distributing means immediately upstream of runner

C415S193000, C415S210100

Reexamination Certificate

active

07001147

ABSTRACT:
A turbine nozzle includes airfoil and sidewall surfaces. The airfoil and sidewall surfaces have profiles substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in Tables I–IV for the pressure and suction sides of the airfoil, and the outer and inner sidewall surfaces, respectively. The X, Y and Z values are distances in inches. The X and Y values for the airfoil, when connected by smooth continuing arcs, define airfoil profile sections at each distance Z. The profile sections at the Z distances are joined smoothly with one another to form a complete airfoil shape. The X, Y and Z values of Tables III and IV define the outer and inner sidewall surfaces, respectively, of the gas flowpath.

REFERENCES:
patent: 6398489 (2002-06-01), Burdgick et al.
patent: 6461109 (2002-10-01), Wedlake et al.
patent: 6503054 (2003-01-01), Bielek et al.
patent: 6722853 (2004-04-01), Humanchuk et al.
patent: 6736599 (2004-05-01), Jacks et al.
patent: 6866477 (2005-03-01), Arness et al.
patent: 6887041 (2005-05-01), Coke et al.

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